Change manifest handler interface to always (implicitly) pass the entire manifest to handlers.

chrome/common/extensions/web_intents_handler.h

Index: chrome/common/extensions/web_intents_handler.h
diff --git a/chrome/common/extensions/web_intents_handler.h b/chrome/common/extensions/web_intents_handler.h
index d195b311d35043b6e68a322127d950aaa3b55df1..9b486fb31c5abf73fc7b22bff03b66519329684c 100644
--- a/chrome/common/extensions/web_intents_handler.h
+++ b/chrome/common/extensions/web_intents_handler.h
@@ -39,9 +39,7 @@ class WebIntentsHandler : public ManifestHandler {
   WebIntentsHandler();
   virtual ~WebIntentsHandler();
 
-  virtual bool Parse(const base::Value* value,
-                     Extension* extension,
-                     string16* error) OVERRIDE;
+  virtual bool Parse(Extension* extension, string16* error) OVERRIDE;
 };
 
 }  // namespace extensions